diff --git a/README.md b/README.md
index d4199e1..b39bf31 100644
--- a/README.md
+++ b/README.md
@@ -38,12 +38,12 @@ Documentation is available on [docs.rs](https://docs.rs/evmole/latest/evmole/)
 ```rust
 let code = hex::decode("6080604052348015600e575f80fd5b50600436106030575f3560e01c80632125b65b146034578063b69ef8a8146044575b5f80fd5b6044603f3660046046565b505050565b005b5f805f606084860312156057575f80fd5b833563ffffffff811681146069575f80fd5b925060208401356001600160a01b03811681146083575f80fd5b915060408401356001600160e01b0381168114609d575f80fd5b80915050925092509256").unwrap();
 
-println!("{:x?} | {} | {}",
+println!("{:x?} | {} | {:?}",
     evmole::function_selectors(&code, 0),
     evmole::function_arguments(&code, &[0x21, 0x25, 0xb6, 0x5b], 0),
     evmole::function_state_mutability(&code, &[0x21, 0x25, 0xb6, 0x5b], 0),
 );
-// [[21, 25, b6, 5b], [b6, 9e, f8, a8]] | uint32,address,uint224 | pure
+// [[21, 25, b6, 5b], [b6, 9e, f8, a8]] | uint32,address,uint224 | Pure
 ```
 
 ### Python